Production Potential of Forage Maize (Zea Mays L.) - Cowpea (Vigna Unguiculata L.) Intercropping System as Influenced by Row Ratios

Asian Resonance(P: ISSN No. 0976-8602 RNI No. UPENG/2012/42622 VOL.-III, ISSUE-III, JULY-2014 E: ISSN No. 2349-9443

Abstract

 P. K. Suryawanshi 

Dept. of Agronomy, B. A. College of Agriculture, Anand Agricultural University Anand, Gujarat

S.M. Deore 

Dept. of Agronomy, B. A. College of Agriculture, Anand Agricultural University Anand, Gujarat

M.R. Patel

 Dept. of Agronomy, B. A. College of Agriculture, Anand Agricultural University Anand, Gujarat

A.C.Sadhu 

Dept. of Agronomy, B. A. College of Agriculture, Anand Agricultural University Anand, Gujarat

The field experiment was carried out on sandy loam soil at of Main Forage Research Station, Anand Agricultural University, Anand, Gujarat, during kharif season of 2010 to study the “Production potential of forage maize (Zea mays L.) - cowpea (Vigna unguiculata L.). Twelve treatments comprising T1: Maize sole, T2: Cowpea sole, eight row ratios of maize + cowpea intercropping viz. T3: Maize + Cowpea (1:1), T4: Maize + Cowpea (1:2), T5: Maize + Cowpea (2:1), T6: Maize + Cowpea (2:2), T7: Maize + Cowpea (3:1), T8: Maize + Cowpea (3:3), T9: Maize + Cowpea (2:4), T10: Maize + Cowpea (4:2) and two treatments comprising seed mixture of maize and cowpea viz. T11: 50 % Maize and 50 % Cowpea seed of recommended dose mixed and sown in same row and T12: 75 % Maize and 25 % Cowpea seed of recommended dose mixed and sown in same row intercropping system as influenced by row ratios”. Plant height at the time of harvest in both crops, green forage yield, dry matter yields, maize equivalent yield, crude protein content of maize and the highest net realization with benefit cost ratio were recorded higher under treatment T5: Maize + Cowpea (2:1). Available N in the soil after harvest of the crop was found the highest with treatment T2: Cowpea sole.  

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